منابع مشابه
OSI-SNA Interconnections
As Open Systems Interconnection (OSI) becomes an international standard, it is gaining support in both industry and government agencies. One of the major applications of OS1 is to act as an intermediary between heterogeneous networks. This paper discusses a scheme for interconnecting a Systems Network Architecture (SNA) network with OS/. This scheme is based on a joint study between ISM Japan a...
متن کاملGlobal astrometry with OSI
— The Orbiting Stellar Interferometer is a proposed space-based interferometer which makes very accurate wide-angle astrometric measurements on several thousand stars. As opposed to Hipparcos, OSI does not have a “basic angle” between two separate field-of-views but three separate interferometers and a highly accurate metrology system. The questions addressed in this paper are whether it is pos...
متن کاملEl modelo OSI
Durante las últimas dos décadas ha habido un enorme crecimiento en la cantidad y tamaño de las redes. Muchas de ellas sin embargo, se desarrollaron utilizando implementaciones de hardware y software diferentes. Como resultado, muchas de las redes eran incompatibles y se volvió muy difícil para las redes que utilizaban especificaciones distintas poder comunicarse entre sí. Para solucionar este p...
متن کاملFirewalls in an OSI-environment
A firewall is a well established security measure for connecting to the Internet (TCP/IP protocol suite). Government procurement profiles for data communication products (GOSIPs Government OSI Profile) usually demand use of official international standards, as defined by the International Standards Organization (ISO). ISO has defined a framework for Open Systems Interconnection (OSI), and devel...
متن کاملThe OSI Model and Switching
In this chapter we give the motivation and basic concepts of the OSI reference model, discuss its seven-layer architecture, the communication between systems using the OSI model, and finally the relationship between the OSI model and multilayer switching.
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ژورنال
عنوان ژورنال: Nature
سال: 1991
ISSN: 0028-0836,1476-4687
DOI: 10.1038/353204b0